From the course: Software Testing Tips Weekly

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Contract testing

Contract testing

From the course: Software Testing Tips Weekly

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Contract testing

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- [Instructor] When performing API testing it's expected to test the outcome of a request. For example, if I'm sending a post request to an end point, then I'm going to be creating something new on the application. Sending a valid post request to that end point will result in a new item being created. This is a functional API test. It focuses mainly on the outcome of that test, rather than the interaction between the two services involved. Contact testing looks deeper at this. It's a methodology for ensuring that two separate systems like microservices are compatible with each other. It captures the interactions that are exchanged between each service, storing them as a contract which can then be used to verify the both parties are adhering to it. Contract tests focus on the messages that flow between a consumer and a provider. While functional tests also ensure that the correct side effects have occurred. In the example…

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